285486874 has 16 divisors (see below), whose sum is σ = 443013120. Its totient is φ = 137836080.

The previous prime is 285486853. The next prime is 285486889. The reversal of 285486874 is 478684582.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24892 + ... + 34504.

It is an arithmetic number, because the mean of its divisors is an integer number (27688320).

Almost surely, 2^285486874 is an apocalyptic number.

285486874 is a deficient number, since it is larger than the sum of its proper divisors (157526246).

285486874 is a wasteful number, since it uses less digits than its factorization.

285486874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125.

The product of its digits is 3440640, while the sum is 52.

The square root of 285486874 is about 16896.3568262510. The cubic root of 285486874 is about 658.4589650889.

The spelling of 285486874 in words is "two hundred eighty-five million, four hundred eighty-six thousand, eight hundred seventy-four".